Share Email Facebook Twitter LinkedIn FamilyInstanceCreationData.Axis Property Get or set the axis of the FamilyInstance Namespace: Autodesk.Revit.CreationAssembly: RevitAPI (in RevitAPI.dll) Version: 25.3.0.0 (25.3.0.0) Syntax C# public Line Axis { get; set; }Property ValueLine Remarks The element property will be the axis while performing the rotation. See AlsoReferenceFamilyInstanceCreationData ClassAutodesk.Revit.Creation Namespace